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Finding the Fourth Proportional to 342,954.06, 473,275.69 and 189,992.55

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Solution

The fourth proportional to 342,954.06, 473,275.69 and 189,992.55 is: 262,189.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,954.06 : 473,275.69 = 189,992.55 : x
  2. Step 2: Convert to fraction form
    342,954.06/473,275.69 = 189,992.55/x
  3. Step 3: Cross multiply
    342,954.06x = 473,275.69 × 189,992.55
  4. Step 4: Simplify right side
    342,954.06x = 89,918,855,196.11
  5. Step 5: Solve for x
    x = 89,918,855,196.11/342,954.06
  6. Step 6: Final answer
    x = 262,189.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.